International Harvester 674 vs J.I. Case 1390 (DT)
11 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because they were not built in overlapping years (1973–1975; 1980–1984). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.
Field by field
11 material differences · 5 fields identical or within 5%, which is not counted as material
| Field | 674 | 1390 (DT) | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 64.1 hp | 66.1 hp | — |
| Engine declared | INTERNATIONAL-HARVESTER D-239 | DAVID BROWN AD 4/55 | differs |
| Displacement declared | 3.91 L | 3.20 L | +22% 674 |
| Maximum torque declared | 153 lb·ft · 207 N·m | 168 lb·ft · 228 N·m | +10% 1390 (DT) |
| Transmission | |||
| Top speed declared | 15.5–18.6 mph · 25–30 km/h | 18.6 mph · 30 km/h | differs |
| Clutch declared | Pedal-operated dry LAYCOCK single-plate clutch | Dry Borg and Beck double clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 11.1–12.6 gpm · 42.1–47.7 L/min | 8.7 gpm · 32.9 L/min | differs |
| Three-point lift at ends declared | 4,211 lb · 1,910 kg | — | — |
| Rear PTO speeds declared | 540/1000 rpm | 540 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 5,106 lb · 2,316 kg | 6,363 lb · 2,886 kg | +25% 1390 (DT) |
| Wheelbase declared | 84.5 in · 2,146 mm | 83.0 in · 2,108 mm | — |
| Length declared | 140.6 in · 3,570 mm | 142.9 in · 3,630 mm | — |
| Width declared | 68.9 in · 1,750 mm | 72.8 in · 1,850 mm | +6% 1390 (DT) |
| Height declared | 86.2 in · 2,190 mm | 100.0 in · 2,540 mm | +16% 1390 (DT) |
| Ground clearance declared | 14.4 in · 365 mm | 15.0 in · 381 mm | — |
| Turning radius, braked declared | 10.9 ft · 3.31 m | 10.5 ft · 3.20 m | — |
| Fuel tank declared | 81.2 qt · 76.8 L | 99.3 qt · 94.0 L | +22% 1390 (DT) |
International Harvester 674 sources
Source
- Source: Traktorenlexikon, “IHC 674”
- Source: Traktorenlexikon, “IHC 574”
- Source: Traktorenlexikon, “IHC 674 (USA)”
J.I. Case 1390 (DT) sources
Source
- Source: Traktorenlexikon, “Case 1390”